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  • Title: [Effect of atrial natriuretic peptide on angiotensin II--and water deprivation-induced drinking behavior in rats].
    Author: Tian DR, Zhang DM, Ma LY.
    Journal: Sheng Li Xue Bao; 1992 Apr; 44(2):186-91. PubMed ID: 1535725.
    Abstract:
    Atrial natriuretic peptide (ANP) present in the brain has been reported to have profound effects on water and salt metabolism. This study was designed to observe the effect of intracerebroventricular (ICV) injection of ANP on drinking behavior of rats, induced by centrally administered angiotensin II (Ang II) and 24-hours water deprivation, by using a T-maze to measure the speed they ran in a runway for water rewards. In 24-hours water deprived rats ICV injection of ANP resulted in a significant decrease of either running speed or water intake. Drinking behavior induced by ICV injection of Ang II in normally hydrated rats was also significantly inhibited by a prior injection of ANP. These findings suggest that ANP in the brain plays an important role in the central control of drinking behavior.
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